Computerized Approach to Residential Land Analysis: Difference between revisions

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==Overview==

In the 1970s, there were not many architectural and engineering firms that recognized the computer’s potential as a tool for financial evaluation. [[Reynolds, Smith & Hills]], a firm in [[Jacksonville]], [[Florida]], produced managing [[software]] designed to organize an array of financials that could help identify a successful development investment strategy.<ref>{{cite journal|title=Economic Probes, Key to Developer’sDeveloper's Success, enhanced by Computers from Building Design and Construction|journal=The Magazine of Commercial and Industrial Building|date=June 1972|publisher=A Cahner’s Publication}}</ref> This application was limited to financial analysis and marked the first phase of computer application in [[architecture]]. In 1971, Willis and Associates innovated the computer’s spatial analysis capacities for application in architectural and [[land-use planning|land planning]] practices, foreshadowing the eventual development of [[computer-aided design]] and mapping programs in architecture and urban planning. CARLA was able to produce in a twenty-day period what by traditional methods and analyses would achieve in four to six months, allowing land development and construction to take place more rapidly. This was an important consideration in the 1970s when rates of inflation were rising and construction delays could introduce significant cost increases. CARLA could process “500% more information in 400% less time and at 40% of the cost generated by utilizing the more traditional methods.”<ref>{{cite news|last1=Staff Writer|title=Computer Moves into Land Studies|publisher=S.F., Sunday Examiner & Chronicle|date=September 1973}}</ref>

[[File:CARLA brochure 01.tif|thumb|right|CARLA Brochure]]

[[File:CARLA brochure 02.tif|thumb|right|CARLA Brochure]]

In the 1970s, there were not many architectural and engineering firms that recognized the computer’s potential as a tool for financial evaluation. [[Reynolds, Smith & Hills]], a firm in [[Jacksonville]], [[Florida]], produced managing [[software]] designed to organize an array of financials that could help identify a successful development investment strategy.<ref>{{cite journal|title=Economic Probes, Key to Developer’s Success, enhanced by Computers from Building Design and Construction|journal=The Magazine of Commercial and Industrial Building|date=June 1972|publisher=A Cahner’s Publication}}</ref> This application was limited to financial analysis and marked the first phase of computer application in [[architecture]]. In 1971, Willis and Associates innovated the computer’s spatial analysis capacities for application in architectural and [[land-use planning|land planning]] practices, foreshadowing the eventual development of [[computer-aided design]] and mapping programs in architecture and urban planning. CARLA was able to produce in a twenty-day period what by traditional methods and analyses would achieve in four to six months, allowing land development and construction to take place more rapidly. This was an important consideration in the 1970s when rates of inflation were rising and construction delays could introduce significant cost increases. CARLA could process “500% more information in 400% less time and at 40% of the cost generated by utilizing the more traditional methods.”<ref>{{cite news|last1=Staff Writer|title=Computer Moves into Land Studies|publisher=S.F., Sunday Examiner & Chronicle|date=September 1973}}</ref>

==Software Development==

[[File:058 CARLA computer room.jpg|thumb|left|CARLA Computer Room]]

CARLA was a customized software program conceived by [[Beverly Willis]] and written in house by a [[Harvard Graduate School of Design]] student, Jochen Eigen, designed to analyze prospective land parcels for their development potential as large-scale multi-unit complexes. Jochen Eigen wrote the programming scripts that directed CARLA as the managing software to interface a variety of planning unit concepts with a mapping program that could then process a variety of planning proposals against the site’s fixed fields of relevant data. The data was extracted from traditional analog topographical maps soil analysis, and marketing information.

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===IRS Computer Center Building (unbuilt)===

In 1976, Willis & Associates was awarded a federal building commission from the General Services Administration (GSA) in [[Washington, D.C.]], representing the [[Internal Revenue Service]] (IRS), and administered by the GSA office in [[Kansas City, Missouri|Kansas City]], [[Missouri]]. The project was conceived by the IRS as a prototype design that would be site-adapted for nine subsequent buildings in IRS regions across the country.<ref name=":1">{{cite web|last1=Casey|first1=John|title=Beverly Willis Oral History Project|url=http://bancroft.berkeley.edu/ROHO/projects/beverlywillis/|website=The Bancroft Library|publisher=Regional Oral History Office|accessdate=11 October 2015|___location=University of California, Berkeley|date=2009}}</ref> The Computer Center Building was part of an $800 million dollar program to automate tax returns at tax processing campuses servicing different IRS regions nationwide. Willis & Associates’ program CARLA provided the technical knowledge required for the IRS Computer Center Building.<ref name=":1" />

===Aliamanu Valley Community for Military Family Housing (1978)===

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Though CARLA had been previously used in designing multi-housing complexes on challenging sites, the Aliamanu site presented a greater challenge due to a non-active volcanic crater floor in a one hundred year old flood plain of clay.<ref name=":0">{{cite journal|last1=McGrath|first1=David J.|title=A-E Computerized Path to Large-Scale Housing|journal=Engineering News Record|date=November 1976|pages=Cover Story}}</ref> Fundamental to the development of an economical land-use plan for Aliamanu was the firm’s belief that the “best site plans are those that least disturb the land, that preserve the natural drainage channels and minimize need to cut and fill.”<ref name=":0" /> Land planning decisions were based on the principle−Less construction means less destruction. CARLA’s analyses allowed for less earth-moving for the project, causing less destruction to the environment and lowering overall construction costs.

==Gallery==

<gallery>

056 CARLA digitizer.jpg|CARLA Digitizer

059 CARLA plotter.jpg|CARLA Plotter

060 CARLA plotter.jpg|CARLA Plotter

062 CARLA Drainage.jpg|CARLA Drainage Plot

</gallery>

==References==

{{reflist}}

[[Category:History of software]]

[[Category:Architecture]]

[[Category:Architectural design]]